TS100 Review

Review The TS100 is possibly the best soldering iron I have used for under $200. It is very lightweight and portable, runs off a wide range of power sources and has full PID temperature control built in. The built in accelerometer provides a protective sleep mode to prolong the length of your tip. With the 65W power rating, it heats to 360 Celsius in under 8 Seconds. Main Features 65W rated output (24V Input)....

June 11, 2017 · 5 min · Ben V. Brown

Raspberry pi Zero Triple SD and Audio board

This is a public release of this design, created in KiCad. This board will plug on top of a Pi Zero and provide 3 SD cards (1x SDIO, 2x SPI) and an audio output DAC with headphone driver. This was originally designed for a prototype Audio player / streaming setup. This is a cutdown version omitting some power and misc components that are no longer required. The board could be re-routed to be smaller, however I feel releasing the tested version is a better idea....

May 20, 2017 · 1 min · Ben V. Brown

Running SeaFile In Docker

Notes of setting up SeaFile under docker on Ubuntu Server 16.04 LTS I have recently started using SeaFile to provide an easy method of centralized file storage. Trying the normal install with the installation script kept failing (Appears to not support latest version). As I am aiming for an easy install for others I looked to the docker based image. I use docker for packaging up other servers I often use, so this seems like a natural and easy way to work....

March 17, 2017 · 2 min · Ben V. Brown

AFE for BMS Design 2

AFE for BMS Design 2 - Schematic Capture In part one of this series I looked at the inital concept of what an AFE is and a basic outline. In the previous post I presented the follow ideas for the design of the system : 9-15S LiPo battery (BQ76940) 100mA balance current 40A continuous duty current shunt, 50A peak PCB area less than 10x10cm panel LED SOC indication Ability to communicate to an external display to show detailed information Temperature sensing inside the battery pack Track the health of the pack Looking at this design, I selected to use a companion controller to work with the AFE for the inital design of this BMS....

March 10, 2017 · 2 min · Ben V. Brown

AFE for BMS Design 1

Getting Started with AFE’s for BMS design. Analog Front End IC’s are becoming more popular from major IC manufacturers. These chips are designed to wrap all the analogue circuitry required for the design and operation of a BMS system up into a small package. Reducing design and programming time for the designer(s). This forfill a useful segment of the market where the application may want different design parameters to a normal BMS design, or even just for learning the operation modes of a BMS....

March 8, 2017 · 7 min · Ben V. Brown

LiPro Micro

LiPro PCB LiPro Micro The LiPro Micro provides state of charge monitoring, passive balancing and safety discharge for lithium batteries. The key benefit to utilising the LiPro Micro on your battery pack is the high accuracy balancing of the internal cells, prolonging the life of the battery. The key features of the LiPro Micro: State of Charge display (Based on cell voltage curve) Cell balancing (to within 5mV total error) Safety discharge after 7 days idle If pack sits at a high voltage for a long period of time the unit will discharge the pack down to a safer voltage level to prevent cell damage Very low power usage....

January 11, 2017 · 7 min · Ben V. Brown

Adding a secondary sd card on Raspberry PI

WARNING If you are planning to use the SPI method on a raspberry pi 1, compute module 1 or a pi zero, please read the extra instructions at the end of the page. These devices require a driver patch & kernel rebuild. (Its not hard, just slow). Secondary SD For one of my upcoming projects featuring a raspberry pi zero, extra internal storage is required and I wanted to keep the USB port free for connecting as a OTG connection....

December 10, 2016 · 8 min · Ben V. Brown

SD cards with STM32 over SPI

The time has come that I finally need to look into getting SD cards to work with the stm32. Looking online there seems to be a few really great resources for connecting to a SD card over spi from a smaller lower power however I could not find any guides for the STM32 line of chips. I am currently working using the HAL libraries as this allows for flexibility in working with different chips (in theory!...

November 4, 2016 · 10 min · Ben V. Brown

STM32 ADC with DMA

Most of my current projects are using the very, very nice stm32f103 series of chips, as these provide excellent performance per dollar cost. The embedded DMA in these chips is a massive help in getting a project up and running without any struggle for cpu power. I find the DMA documentation to be lacking at best with getting this system up and running using the new HAL drivers from STM. While this is actually quite an easy system to get up and running, I could not find any nice notes on how the system should be setup and things to be aware of....

November 2, 2016 · 5 min · Ben V. Brown

TS100 Soldering Iron

TS100 The ts100 is a portable DC powered soldering iron released by minidso. The unit offers between 25-70W of output power at the tip depending on the input voltage, and has removable tips (Not compatible with other irons as far as I know). Sadly the unit is crippled with their system for changing settings, while the unit supports nice options such as a customizable cutoff voltage; wake on motion, and automatic sleep times....

October 1, 2016 · 3 min · Ben V. Brown