This is another great IIC/I²C/TWI/SPI Serial Interface. As the pin resources of controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I²C interface module, you will be able to realize data display via only 2 wires. If you already has I²C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for based project. I²C Address: 0X20~0X27 (the original address is 0X20,you can change it yourself) The backlight and contrast is adjusted by potentiometer Comes with 2 IIC interface, which can be connected by Dupont Line or IIC dedicated cable I²C Address: 0x27 (I²C Address: 0X20~0X27 (the original address is 0X27,you can change it yourself) Specifications Compatible for 1602 LCD Supply voltage: 5 V Weight: 5 g Size: 5.5 x 2.3 x 1.4 cm
The Intelligent Digital Thermostat Temperature Controller is a small switch controller (77x51mm) which allows you to create your own thermostat. With its NTC Sensor and its LED displays, you are able to switch up to 10A 220V depending on the measured temperature.
NRF24L01 is a universal ISM band monolithic transceiver chip works in the 2.4-2.5 GHz. Features Wireless transceiver including: Frequency generator, enhanced type, SchockBurstTM, mode controller, power amplifier, crystal amplifier, modulator, demodulator The output power channel selection and protocol settings can be set extremely low current consumption, through the SPI interface As the transmit mode, the transmit power is 6 dBm, the current is 9.0 mA, the accepted mode current is 12.3 mA, the current consumption of the power-down mode and standby mode are lower Built-in 2.4 GHz antenna, supports up to six channels of data reception Size: 15 x 29 mm (including antenna)
Features Type C cable USB type C is suitable for new version Raspberry Pi 4 No need to pull the cable to restart or reboot your Pi, just press the button to turn your Pi on and off Can be used as power supply for the Pi up to 2 Amp Help prevent the Pi's USB connector from wear and tear due to frequently pulling and inserting the USB cable Specifications Interface: USB Type C Current: 3 A Length: 1.5 m Use for: Raspberry Pi 4 Model B Packing List: 1x USB Type C power cable