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More than 275 Power Supply Designs for Home Construction
This USB Stick contains over 275 different power supply circuits from the volumes 2001-2025 of Elektor. The article search feature allows you to search full-text content. The results are always displayed as pre-formatted PDF documents.
Highlights
Cuk Converter
Automatic Battery Switchover
Battery Voltage LED
Digital Benchtop Power Supply
Lithium-Ion Charger
Solar Cell Charger
Electronic Fuse
High Voltage Regulator
Power Supply for USB Devices
Step-up Converter for LEDs
Battery Management
and much more...
On the Stick you will also find a folder with additional material such as PCB layouts, Gerber files and software.
Specifications
Storage
16 GB
Interfaces
1x USB-A1x USB-C
System requirements
PC with Adobe Reader 7.0 or higher
Web browser
The OWON VDS6000 Series PC Oscilloscope combines powerful performance with a sleek, ultra-thin design. With 100 MHz bandwidth, 1 GSa/s real-time sampling, and up to 14-bit resolution, it delivers highly accurate measurements. The built-in 5 MHz function generator, USB-C power supply, and optional WiFi connectivity make it incredibly versatile.
Compatible with Windows, Linux, Android, and iOS, the VDS6000 is perfect for labs, fieldwork, and remote diagnostics – compact, flexible, and ready for any challenge.
Features
Bandwidth: 100 MHz
Vertical resolution: 14 bits
Rise time: ≤3.5 ns
Memory: 10 Mpts
Number of channels: 2 channels + 1 channel function generator
Horizontal scale: 5ns - 100s/div
Sample rate: Max. 1 GSa/s
Maximum voltage: 40 V (peak - peak)
Automatic measurements: Vpp, Vavg, Vamp, Vrms, Freq, Period, Vmax, Vmin, Vtop, Vbase, Overshoot, Preshoot, Rise Time,
Connectivity: USB-C, LAN, Wifi (optional)
Fall Time, Delay A→B↑, Delay A→B↓, +Width, -Width, +Duty, -Duty
Bandwidth: 5 MHz
Sample rate: 25 MSa/s
Standard waveforms: Sine (0.1 Hz - 5 MHz), Square (0.1 Hz - 200 kHz), Ramp (1 Hz - 10 kHz), Pulse (1 Hz - 10 kHz)
Resolution: 10 bits
DC offset range (AC + DC): ±2.5 V
Amplitude range: 10 mVpp - 5 Vpp
Dimensions: 190 x 120 x 18 mm
Weight: 380 g
Downloads
Manual
Quick Guide
PC Software
MacOS Software
Now you can connect your Arduino boards with the official Arduino USB cable. Through a USB-C to USB-C with a USB-A adapter connection, this data USB cable can easily connect your Arduino boards with your chosen programming device. The Arduino USB cable has a nylon braided jacket in the typical Arduino colors white and teal. The connectors have an aluminum shell that protects your cable from harm at the same time as looking cool. Length: 100 cm Aluminium shell with logo Nylon braided jacket white and teal
OWON VDS1022I 2-channel USB oscilloscope (25 MHz) is a oscilloscope for use with a computer. It is powered by USB and has a small size, making it easy to take it with you. The oscilloscope is very economical. It has a shielded USB connection, reducing interference and protecting the computer against over-voltage. The multi port on the scope can be used for external triggering, trigger out or Pass / Fail output.
Features
25 MHz bandwidth, and max 1 GS/s real-time sample rate
10M record length
Friendly UI: FFT, or X-Y, and waveform 2 views displayed on the same screen
Multi-trigger option: edge, video, slope, pulse, and alternate
USB isolation – less signal inference, more PC protection
USB bus powering, and LAN remote control (optional)
Ultra-thin body design, easy portability
Specifications
Bandwidth
25 MHz
Channel
2+1 (multi)
Sample Rate
100 MSa/s
Horizontal Scale (s/div)
5 ns/div~100s/div, step by 1~2~5
Record Length
5K
Max Input Voltage
400 V (PK - PK)
(DC+AC, PK - PK)
40 V (PK - PK) (DC+AC, PK - PK)
Vertical Resolution (A/D)
8 bits (2 channels simultaneously)
Model
VDS1022I
Vertical Sensitivity
5 mV/div~5 V/div
Trigger Type
Edge, Pulse, Video, Slope, and Alternate
Trigger Mode
Auto, Normal, and Single
Acquisition Mode
Sample, Peak Detect, and Average
Waveform Math
+, -, ×, ÷, invert, FFT
Communication Interface
USB 2.0 (isolation)
Multi-function
Interface
Signal Type
Level Standard
TTL
Power Supply
5.0 V/1 A
Power Consumption
≤2.5 W
Dimensions (W × H × D)
170 x 120 x 18 mm
Weight
0.26 kg
Included
1x OWON VDS1022I oscilloscope
1x CD-ROM
1x Quick start guide
2x Oscilloscope probe
1x Probe tool
1x Power adapter
1x USB cable
1x Silicone case protectors
1x Power cable
Downloads
Datasheet
User manual
SCPI protocol
USB driver
The Arduino Pro Mini is a microcontroller board based on the ATmega328P.
It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. A six pin header can be connected to an FTDI cable or SparkFun breakout board to provide USB power and communication to the board.
The Arduino Pro Mini is intended for semi-permanent installation in objects or exhibitions. The board comes without pre-mounted headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with the Arduino Mini.
The Arduino Pro Mini was designed and is manufactured by SparkFun Electronics.
Specifications
Microcontroller
ATmega328P
Board Power Supply
5-12 V
Circuit Operating Voltage
5 V
Digital I/O Pins
14
PWM Pins
6
UART
1
SPI
1
I²C
1
Analog Input Pins
6
External Interrupts
2
DC Current per I/O Pin
40 mA
Flash Memory
32 KB of which 2 KB used by bootloader
SRAM
2 KB
EEPROM
1 KB
Clock Speed
16 MHz
Dimensions
18 x 33.3 mm (0.7 x 1.3")
Downloads
Eagle files
Schematics
With this 65 W USB-C PD power supply (with GaN technology) you can start using the FNIRSI HS-01 soldering iron straight away. Of course, you can also use this charger to fast charge your tablets and smartphones via USB-C and USB-A.
Included
65 W USB-C PD GaN Power Supply (EU)
The Smart USB Soldering Iron Kit is a compact, cordless solution designed for precision and portability. Featuring intelligent three-speed temperature control (300-450°C) with an easy-to-read LED display, it heats up in just 10 seconds and melts solder in as little as 6 seconds.
The 1000 mAh rechargeable battery delivers up to 30 minutes of continuous use, making it ideal for quick repairs, electronics projects, and DIY tasks. With a plug-and-play, replaceable tip and a high-temperature-resistant insulated shell, it’s safe, user-friendly, and perfect for both beginners and professionals on the go.
Features
Three-Speed Intelligent Temperature Adjustment: Features an LED display screen with adjustable temperatures between 300-450°C (572-842°F). Easily switch between Celsius and Fahrenheit.
Integrated Plug-In Soldering Iron Tip: Plug-and-play design. The tip can be replaced by simply unscrewing it, ensuring quick and convenient operation.
Safe and Durable Design: High-temperature-resistant, insulated shell for enhanced safety during use.
Battery Capacity: Equipped with a rechargeable 1000 mAh battery that supports up to 30 minutes of continuous operation on a full charge – ideal for everyday tasks.
Efficient Performance: 8 W power with an integrated heating core for rapid heat-up. Melts tin in just 6 seconds, providing excellent thermal conductivity.
Easy to Use: After powering on via USB, set your desired temperature. The soldering iron heats up in 10 seconds. Once finished, place the tip on the stand—it cools down within 1 minute. Perfect for beginners, hobbyists, basic home repairs, and training engineers.
Cordless Innovation: This cordless soldering kit includes a built-in rechargeable lithium-ion battery, eliminating the need for cables. Versatile use for circuit board soldering, electrical repairs, jewelry making, metal crafts, computer maintenance, and DIY projects.
Specifications
Adjustable Temperature: 300-450°C (572-842°F)
Tin Melting Time: <15 seconds
Working Voltage: 5 V
Power Output: 8 W
Battery Capacity: 1000 mAh
Auto Sleep Function: Activates after 10 minutes of inactivity
Charging Time: Approx. 90 minutes
Battery Life: Up to 30 minutes continuous use
Charging Interface: USB-C
Main Material: Aluminum alloy
Dimensions: 190 x 16 mm (7.4 x 0.6")
Included
1x USB Soldering Iron
1x Soldering Tip
1x Soldering Rosin
1x Soldering Iron Holder (with Sponge)
1x USB-C Charging Cable
1x Solder Wire
1x Storage Box
This USB Stick contains more than 300 Arduino-related articles published in Elektor Magazine. The content includes both background articles and projects on the following topics:
Software & hardware development: Tutorials on Arduino software development using Arduino IDE, Atmel Studio, Shields, and essential programming concepts.
Learning: The Microcontroller Bootcamp offers a structured approach to programming embedded systems.
Data acquisition & measurement: Projects such as a 16-bit data logger, lathe tachometer, and an AC grid analyzer for capturing and analyzing real-time signals.
Wireless communication: Learn how to implement wireless networks, create an Android interface, and communicate effectively with microcontrollers.
Robotics and automation: This covers the Arduino Nano Robot Controller, supporting boards for automation, and explores various Arduino shields to enhance functionality.
Self-build projects: Unique projects such as laser projection, Numitron clock and thermometer, ELF receiver, Theremino, and touch LED interfaces highlight creative applications.
Whether you're a beginner or an experienced maker, this collection is a valuable resource for learning, experimenting, and pushing the boundaries of Arduino technology.
SmartScope is a compact 2-channel USB oscilloscope with a bandwidth of 30 MHz and a sampling rate of 2x 100 MSa/s. It is compatible with all major platforms, including Windows, macOS, Linux, and Android. The operation and display of measurement signals are done via smartphone, tablet, or PC. Additionally, a logic analyzer and a signal generator are integrated.
Even more, you can get mobile with it: take the SmartScope on the road, thanks to the single-cable connectivity. Everything is going to be intuitive: pointing, pinching and swiping finally replaces the clunky interfaces of old scopes.
With the SmartScope you develop your digital interfaces using the 100 MS/s logic analyzer. With this tool you can design any signal you want using Excel, then upload it to the built-in Arbitrary Waveform Generator (AWG). At the end capture the voltage at any point of your design at 100 million times each second.
The Software for the support of Windows / macOS / Linux / Android and Export formats (Excel .csv / Matlab .mat) are given.
Features
Channel sampled at 100 MHz/s each
AC/DC coupling on analog inputs
100% silent
64 Mbit RAM: x10000 zoom
Arbitrary Waveform Generator
8 digital inputs at 100 MS/s each
4 digital outputs at 100 MS/s each
Externally power your scope in case your mobile can't supply the juice.
Specifications
Oscilloscope
Bandwidth
30 MHz (-3 dB point)
Sample rate
2x 100 MS/s
Channels
2
Max pre-trigger position
16x full scale
Max post-trigger position
Full scale
Max full voltage scale
10 V/div (±35 V input range)
Min full voltage scale
20 mV/div
Analog input range
-35 V, +35 V
Max input peak-to-peak
40 V
Signal coupling
AC / DC
Precision
8 bit
Input impedance
1 MΩ // 10 pF
Waverforms
200 waveforms/s
Data delay to host
< 10 ms
Sample depth
Up to 4 million samples per channel
External trigger
Yes
Logic Analyzer
Input channels
8
Input impedance
100 kOhm // 2 pF to GND
Sample rate
100 MS/s
Logic level
1.8 V to 5.0 V
Diode protection
Bidirectional
Input data buffer
4 million samples
Waverforms
200 waveforms/s
Data delay to host
< 10 ms
Protocol decoders
I²C, SPI, UART, I²S integrated User extensible
Wave Generator (Analog Output)
Output channels
1
Data rate
Up to 50 MS/s
Output level
0-3.3 V (Opamp driven)
Output buffer
Up to 2048 samples
Max slew rate
30 ns/V
Step
13 mV
Wave Generator (Digital Output)
Channels
4
Data rate
Up to 100 MS/s
Output level
3.3 V or 5 V (selectable)
Output buffer
Up to 2048 samples
Diode protected
Yes
Programmable Logic
USB controller
MicroChip PIC18F14K50
USB interface
PicKit3 or USB flashable
FPGA
Xilinx Spartan 6
FPGA interface
JTAG and USB flashable
Size & Weight
Dimensions (L x W x D)
110 x 64 x 24.2 mm (4.33 x 2.52 x 0.95")
Weight
158 g
Case
Aluminium
Connectivity
Device/Host
mini USB included
Record waveforms
Store Matlab (.mat) or Excel (.csv) files through Dropbox
Analog
BNC 2 probes included
Digital
8x 0.1" pitch, probes (included)
Sync
USB micro B-B
Power
USB micro B (optional)
Included
1x SmartScope USB Oscilloscope
2x Analog probes
1x Digital probe cable
1x USB cable
Downloads
Software
GitHub
Wiki
The Raspberry Pi 27 W PD USB-C power supply is designed specifically to power the Raspberry Pi 5. It is also capable of delivering 5 V/3 A, 9 V/3 A, 12 V/2.25 A, 15 V/1.8 A to PD-compatible products, making it a good and cost-effective power supply for many general applications, such as charging smartphones and tablets.
Specifications
Input
100-240 V AC
Output
5 A @ 5.1 V, 3 A @ 9 V, 2.25 A @ 12 V, 1.8 A @ 15 V
Connector
USB-C
Length
1.2 m
Color
White
Region
UK
The FNIRSI FNB58 USB tester (with Bluetooth) is a comprehensive and very accurate USB voltage and current meter. It features a 2.0-inch full-color HD TFT display, built-in USB-A, micro USB and USB-C interface. With this device you can measure the power supply or power consumption of products or the charging power of cell phones and power supplies. You can also determine the fast charging protocol of chargers.
Features
USB-A and USB-C interface
2.0" HD display
Data at a glance
Wide compatibility
Ultra-precise data detection
Play with fast charging technology
Automatic protocol detection (PD2.0, 3.0, 3.1, PPS, QC2.0, 3.0, FCP, SCP, AFC, PE, DASH VOOC, SuperVOOC and more)
Simple user interface, easy to operate
4 function curve displays (real-time voltage and current curve, offline curve recording, D+/D- voltage curve, high-speed power supply ripple measurement)
Cable detection
10 groups of energy recording battery capacity calculation
PC connectivity for data logging and firmware updates
Bluetooth app for Android devices
Specifications
Voltage range
4-28 V
Current range
0-7 A
Power range
0-120 W
Load equivalent internal resistance
0-9999.9 Ω
D+/D- voltage
0-3.3 V
Capacity
0-9999.99 Ah
Power consumption
0-9999.99 Wh
Cable resistance
0-9999.9 Ω
Interfaces
micro USB, USB-A, USB-C
Dimensions
42 x 13 x 82 mm
Downloads
Manual
Firmware V0.68
,
by Jean-François Simon
Fnirsi FNB58 USB Tester (Review)
The Fnirsi FNB58 is a versatile USB tester capable of performing a wide array of voltage, current, and energy measurements, as well as supporting numerous...