Dual Channel PSU Modifications
In this video we add an output switch to a cheap Chinese bench PSU and correct some errors and sloppy solder joints.
Lab Equipment & tools:
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ATTEN ST-1509/9150 Soldering Station: https://www.aliexpress.com/item/32568...
ATTEN Soldering Iron 130W: https://www.aliexpress.com/item/32568...
ATTEN ST-862D Hot Air Station: https://www.aliexpress.us/item/225580...
ATTEN ST-9150/9130 Soldering Inserts: https://www.aliexpress.us/item/325680...
ATTEN ST-9150 Hot Tweezers Inserts: https://www.aliexpress.us/item/325680...
Capacitor Discharge Pen High Voltage Fast Discharging Tool: https://www.aliexpress.us/item/325680...
10pcs Mini Spanner Wrenches: https://www.aliexpress.us/item/325680...
Leaded Solder (One of the few/only good quality Leaded Chinese Solders): https://www.aliexpress.us/item/325680... or https://www.amazon.com/gp/product/B07...
1.5-3.5mm De-soldering Braid/Wick: https://www.aliexpress.us/item/325680...
Micro-connector crimp tool (for Molex/Dupont etc): https://www.amazon.com/gp/product/B07...
Tubular Terminals Crimping Tool: https://www.aliexpress.us/item/325680...
GH1.25 2p 3p 4p 5 Pins 1.25mm Pitch Connector Kit: https://www.aliexpress.us/item/325680...
Rigol Oscilloscope: https://www.amazon.com/gp/product/B08...
ET5410A+ Electronic Load: https://www.aliexpress.com/item/32568...
25-Piece Multi-meter Leads Kit: https://www.amazon.com/gp/product/B07...
Chapters:
0:00 Intro
2:57 Disassembling Components
4:24 Active (Line) and neutral was switched around.
7:20 New Relay Board to add.
10:27 Preparation to put it together.
19:52 Mounting and soldering components.
36:10 Changes to Relay Board to make it work.
38:26 Demo and Testing.
39:43 Issue with Serial/Parallel.
43:10 Future filtering modifications.