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Yearly Archives: 2016
Breathing life into the DigiSpark clone with ATtiny MCU
Some time ago I have bought a “noname” development board just for $1. There are a USB connector and two Zener diodes, two leds and a 8-pin header and a DIP-8 socket for ATTiny25/45/85 microcontroller. It can be powered from … Continue reading
How to update the kernel and the firmware for Raspberry PI
Once I have decided to write a kernel-mode application for my Raspberry Pi. I have found some sketches and a makefile. But I’ve got an error: Linux headers are missing. I spent some time solving this problem. Here you will … Continue reading
Debugging and testing firmware with SmartRF Packet Sniffer
Hello. SmartRF Packet Sniffer is a great and useful tool for testing and debugging firmware. It supports many radio protocols used in Texas Instruments devices, such as ZigBee, SimpliciTI, BLE, RF4CE and generic (raw packets). 1. Tools required for RF … Continue reading
MK-85 first personal pocket computer from USSR
Hello, friends. In this post I would like to remember my first Pocket PC (programmable calculator) “Electronika MK-85” (made in USSR, 1986). It is based on 16-bit CPU with 2KB RAM and 32 KB Flash ROM (16 KB available, as … Continue reading
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Introduction to the FX2 USB Development Board CY7C68013A
Hello. Today we will take a look at the USB 2.0 Development Board assembled by Waveshare. It is based on Cypress FX2LP chip CY7C68013A (56-pin package) with the 8051 MCU, 16 kB RAM, 8/16-bit parallel bus, I2C, GPIF and USB … Continue reading
How to drive 4-Digit 7-Segment LED Display with Arduino
Hello. In this post I will show how to connect and drive 4-Digit 7-Segment LED Display with Ardino UNO. Recently I have posted a topic on how to drive a single 7-segment LED Display. I think it was simple, but … Continue reading