Category: Mcu
ESPTool – A WiFi Security Tool
Daniel Grießhaber over hackaday.io created a project called ESPTool. It is a tool to test WiFi networks security and to demonstrate how easy it is to crack a WiFi password or jam a WiFi network. Daniel designed ESPTool for education and self-test purpose. The Device has SSD1306...
Continue ReadingHT48R002 A Very Cheap OTP MCU as Low as $0.085/Unit
A highlight from CNXSoft about Holtek HT48R002 MCU as the cheapest MCU. HT48R002 is a 8-Bit OTP (One Time Programming) MCU with the following key features (datasheet): 8-bit RISC MCU @ 8MHz. 1K x 14-bit ROM (OTP). 64 x 8-bit RAM data memory. 6x I/O including 1x external...
Continue ReadingSpace Invaders FPGA Game
Patsiatzis Nikos and Katsaros Nikos build the space invaders game using a ZedBoard FPGA. The project's code is available on github. This two person project was completed through the course of Embedded Systems at the University of Thessaly, Department of Computer Engineering. In...
Continue Reading16 Channel Tiny InfraRed Remote Controller – NEC Code
16 Channel Infra-Red remote controller is built around PIC16F73 Microcontroller from Microchip. The receiver part follows NEC Code Format. Tiny receiver provides 16 latch outputs. All outputs are TTL and can drive Relay board or solid state relay. The circuit uses TSOP1738 Infra-Red...
Continue ReadingAn Atmega library for multiple HD44780 LCDs
Davide Gironi has posted an I2C multiple HD44780 AVR Atmega library: This library implements a driver for HD44780 lcd connected through PCF8574 port expander. Data is transmitted using only 2 wire over i2c with the PCF8574. This library can drive up to 8 LCD concurrently. Lcd...
Continue ReadingAn Open-Source SoCs with RISC-V From SiFive
SiFive, a startup from San Francisco, is trying to democratize the access to the world of SoC designing and manufacturing by giving the ability of customizing silicon to the smallest company, inventor, or maker, and taking “the hard parts of building chips working with 3rd part IP, EDA...
Continue Reading2 Digit Digital Up Counter Using PIC16F1825
The Two Digit UP Counter project built using PIC16F1825 Microcontroller from Microchip, CAT4016 serial to display driver IC from ON-Semiconductor and two 7 Segment common anode 0.5 Inch display. Project works using two switches S3 and S2, third switch has no use. When switch S3 is...
Continue ReadingHow To Connect Multiple Buttons with MCU Using One Line
One of the biggest problems you could face in your current/next project, is when you’re out of free inputs to use. Sometimes you can save a lot of inputs using some tricks, and there’re really a lot of them. In this blog post we’re going to know how you can use many push buttons...
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