June 2020 – Adrian’s electronics blog

2 min 0

General

20V 1.5A bench PSU with ATtiny85 based electronic fuse

Adrian Smith
28/06/2020

I built a bench power supply for a relative which had to be low cost and I decided to use Bangood as my source of most of the parts to reduce cost. I purchased the case, relay module, DC-DC converter board, panel meter and the output banana jacks from Bangood and the rest came from […]

3 min 3

DSN-VC288 voltmeter and current meter review (in short they are shite)

Adrian Smith
25/06/2020

I bought one of the commonly available dual display panel meters with the part number DSN-VC288 which has three digits and shows voltage to 1 decimal place and current to 2 decimal places. It can measure 0-99.9V and 0-10A and features a red display for the voltage and blue for the current. There seems to […]

2 min 2

Bangood XL4016 adjustable voltage regulator first impressions

Adrian Smith
24/06/2020

I am building a basic power supply for a project and decided to try one of the XL4016E1 based regulator modules commonly available on eBay, Amazon and Bangood which is advertised as being able to handle an 8A / 200W load. I only need up to 2A for my project but at £7.99 it seemed […]

3 min 0

General

Convert cordless drill to lithium battery using RC lipo

Adrian Smith
15/06/2020

Surprisingly even now you can still buy power tools that come with NiCad batteries (not even NiMh) which are a poor choice of battery for power tools due to their memory effect and high self discharge rate. NiMh is a better choice of battery to use but I presume NiMh is cheaper hence why some […]

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