Category Archives: Hardware

TIM3 ARR Gives Regular Interrupts on the STM32F4

By | February 3, 2016

The simplest way to produce regular interrupts from a timer like TIM3 on the STM32 family of processors is to set up the Auto Reload Register (ARR) to generate an update event. This article shows you how to correctly set up the clock source, prescaler and ARR to get regular events over a wide range of… Read More »

Group Purchase of Faulhaber Motors

By | May 22, 2015

UPDATE: Unfortunately, we will not be able to arrange a group purchase after all. Sorry for any inconvenience. It may be possible to arrange a group purchase of Faulhaber motors. The exact model would be 1717T003SR with IE2-512 encoder. If enough people were interested, the price could come down to about £95 per motor. Pretty good… Read More »

LiPo charger and serial interface combined

By | April 8, 2014

Travelling to contests is great. Except for the bits and pieces that you need to lug around. For several years I have used a smart charger for my LiPo batteries. It is a fine charger but bulky. Along with its mains power supply it is about the size of a large laptop charger and needs… Read More »