Introduction: RA] 2.66-inch ink screen temperature and humidity clock + 494880A shell project
Introduction: The main control uses Renesas' R7FA2E1A72DFL to drive a 2.66-inch ink screen to make a temperature and humidity clock.
Introduction: Hongmeng Internet of Things WiFi smart switch can realize remote control of the switch by mobile phone, which can be applied to life scenes to produce convenient effects.
Introduction: Small fan motherboard based on brushless motor
Introduction: jlink ob ultimate mini version, only 2.33*1.48cm
Introduction: A 20-key keypad made on the basis of the old lettuce-eating numeric keypad on the sketchpad. Three common keys, tab, calculator, and backspace, are added to the top row. It has RGB and full-key hot swapping. , the firmware is written by Brother Lettuce
Introduction: This is a power module with a maximum output of 75V and a pair of positive and negative power outputs. It uses MT3608 and XL6008. It was originally intended for use with electronic tubes, but the ripple seemed to be a few hundred million points, so it was ruthlessly abandoned, but the cost was very high. Low, suitable for novices to practice their skills
Introduction: Today is an era of rapid technological development. People change their mobile phones much more frequently. Should I trade my old mobile phone for a kitchen knife? It is better to use it as an IP camera, which can also expand the rich gameplay. For example, this time the remote bait boat uses an old mobile phone to realize real-time audio and video transmission and boat control, and it can also have voice conversations!
Introduction: Single cell 18650 battery charging module. Low cost, simple structure and cheap price
Introduction: The ink screen development module of the c3 main control has no code yet, only the driver code, no good ideas, and the onboard antenna needs to be verified.
Introduction: W806, INA226, ST7735. Using lua, Hezhou Luatos can read voltage and current, 24pin full-featured C port
Introduction: 3-axis motor expansion slot based on Raspberry Pi PICO development board (supports MKS driver uart), 2 NTC100K temperature sensors, 4 PMW fan interfaces
Introduction: 4-axis CNC motherboard, 3D printing motherboard, supports Bluetooth and Wifi, supports offline, supports Grbl and Marlin, supports TMC2209, with controllable fan.
Introduction: Laser engraving machine or servo writing machine motherboard implemented with ESP8266
Introduction: Taobao Puyang store 1.69-inch watch touch screen
Introduction: The ESP32 automatic download module only retains the necessary components and six serial ports. It can be directly hand-soldered after the board is made.
Introduction: Universal 1.5P shell 8266 or ESP32 module realizes serial port transparent transmission