Introduction: The module is based on the "Drink This Bowl of Poisonous Chicken Soup" by the up owner of station b. The principle and firmware are all based on this up. You can search for specific tutorials by yourself. I just drew a pcb.
Introduction: 2021 National Undergraduate Electronic Design Competition Topic E [Digital-Analog Signal Hybrid Transmission Transceiver] National Second Prize Work
Introduction: A dual-band portable radio frequency housekeeper made using ESP-12F and Hummingbird wireless modules. The upgraded version of dual-band RF Manager V1.2 has onboard programming chips and circuits.
Introduction: A keychain. I found the original picture of the Dragon Feast mark when I was fishing. As a warrior of faith, how could I not carry one with me?
Introduction: It can be switched to a tapped or untapped ZVS circuit according to the jumper, and contains a small amount of Arknights elements.
Introduction: 24X16 wireless receiving dot matrix display based on STC8F2K16S2 and 24L01
Introduction: The XRC remote control is a multi-functional open source remote control based on the STM32F4 platform, with a Chinese interface, 32 channels, 3.5-inch capacitive screen, supports ELRS tuner, supports Mavlink protocol, supports picture browsing, e-books, video playback and NES Games, gravity sensing.
Introduction: Use esp32-c3 module or esp32-s module to convert ps2 keyboard and mouse to bluetooth keyboard and mouse
Introduction: 1kw ZVS induction heating, basically all circuits (large areas of copper cladding) have windows to ensure current carrying capacity
Introduction: An electromagnetic induction heating using G40N60mos tube
Introduction: Refer to the project https://oshwhub.com/PQG2030PQG/kai-yuan-si-zhou-yao-kong-qi, and add power switching and charging functions based on it.
Introduction: A program based on Loli open source is transplanted to STC8G1K08 microcontroller
Introduction: elrs model aircraft receiver
high refresh rate long-distance sx1280 module
2.4GHz ExpressLRS Lora
Betaflight
Inav traversing machine Fpv
power supply uses two LDOs to supply power separately to improve stability
Introduction: A 32-bit RISC-V core microcontroller integrated with BLE wireless communication. The 32KHz crystal oscillator is not soldered by default. You need to set the macro OSC_CKL32 to 2.
Introduction: Garage door control system based on 8266
Introduction: Use STM32F031C6T6 to receive 2.4G wireless information and use PWM to control four motors, differential forward transmission, reverse rotation, etc.