Tag Archives: microcontroller

Obstacle sensing walking stick for visually impaired persons

in PIC, sensors by DP | 0 comments

Avinash Gupta wrote an article detailing his smart walking stick project for visually impaired persons This project is designed to guide a visually impaired person to walk and avoid bumping into obstacles. Low cost ultrasonic rangefinders along with a microcontroller is used … Read more

Introducing RFToy, an Arduino-compatible gadget for radio frequency modules

in Arduino, RF by DP | 8 comments

Ray Wang from RaysHobby has informed us of his latest open-source project called RFToy: it’s an Arduino-compatible microcontroller board for interfacing with radio frequency (RF) modules, such as the popular 433/315MHz transmitter/receiver, and the nRF24L01 transceiver. The RFToy has a built-in … Read more

App note: Getting started with the MAXQ622 evaluation kit

in app notes by DP | 0 comments

Here’s an getting started guide from Maxim describing their MAXQ622 low-power RISC microcontroller: This application note describes how to create, build, and debug applications targeted for the MAXQ622 low-power RISC microcontroller. The article uses the IAR Embedded Workbench toolset and C compiler … Read more

A Silverlink clone to rescue pre-USB calculators

in Arduino by DP | 0 comments

Geekboy1011 over at the Cemetech forum has been working on a Silverlink clone software for the Arduino Leonardo (ATmega32U4) microcontroller development board: Texas Instruments’ Silverlink is a product to connect calculators without USB ports (namely everything except the TI-84 Plus series and the TI-89 … Read more