Thursday, June 22, 2017

PAM8403_Amplifier

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At Aliexpress i ordered 5pcs/lot PAM8403 Super mini digital amplifier board 2 * 3W Class D digital amplifier board  efficient 2.5 to 5V USB ...
Wednesday, June 21, 2017

My First Lora Gateway

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RFM95 back LoRa breakout As i like doing some projects with IoT  i also wanted to experiment with LoRa . Some time ago i ordered a che...
Saturday, June 17, 2017

Cables USB / Power cable

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In my waste i found an old USB power connector cable. The connection cables (2 cables) where very short but still could soldered. You can ...
Monday, June 12, 2017

USB Logic Analyzer

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On Aliexpress i ordered a cheap USB Logic Analyze 24M 8CH, MCU ARM FPGA DSP debug tool ( Current price 4,22 euro (June 2017) , In March 2...
Friday, June 9, 2017

Presenter / Laser pointer IOT DIY (6)

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A i needed to repair my ESP8266 Wifi IOT laser presenter  . The battery's did not fit inside the case i used in my first version. I glu...
Wednesday, June 7, 2017

Power supply with B3603

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An old 24V DC 1.5 A (laptop) power supply is changed to a bench power supply unit (PSU) with a cheap MingHe B3603 DC-DC buck regulator from ...
Saturday, May 27, 2017

DSO 150 digital oscilloscope

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DSO 150 finished ! The weight of my last portable oscilloscope was more than 10 kg. Now i bought and build this digital handheld oscillo...
Friday, May 26, 2017

Sine, Square and Triangle function signal generator

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A few days ago i did built this cheap function signal generator. For less than 2 euro   this DIY  kit provides a Sine, Square and Triang...