Лабораторный блок питания,доработка

Решил немного переделать блок питания.Вот ссылки на детали: Блок питания:https://ru.aliexpress.com/item/Power-Supply-Module-AC-110v-220v-to-DC-24V-6A-AC-DC-Switching-Power-Supply-Board/32711742016.html?spm=2114.13010608.0.0.xaA5PT&aff_platform=link-c-tool&cpt=1487704222594&sk=uR7uBY3Rz&aff_trace_key=32f484be631947d4a90283c912f15356-1487704222594-02978-uR7uBY3Rz Преобразователь:https://ru.aliexpress.com/item/2015-Hot1pcs-Step-down-Power-DC-DC-CC-CV-Buck-Converter-Supply-Module-7-32V-to/32582269150.html?spm=2114.13010608.0.0.xaA5PT&aff_platform=aaf&cpt=1487704283176&sk=VnYZvQVf&aff_trace_key=32f484be631947d4a90283c912f15356-1487704283176-05173-VnYZvQVf Преобразователь понижающий:https://ru.aliexpress.com/item/1PCS-DC-DC-Buck-Converter-Step-Down-Module-LM2596-Power-Supply-Output-1-23V-30V/32273967313.html?spm=2114.13010708.0.0.hsveF8 Многооборотный потенциометр:https://ru.aliexpress.com/item/Free-Shipping-3590S-2-103L-3590S-10K-ohm-Precision-Multiturn-Potentiometer-10-Ring-Adjustable-Resistor/32673624883.html?spm=2114.03010208.3.149.JzVacO&ws_ab_test=searchweb0_0,searchweb201602_1_10000073_10000077_10000074_10000167_10000175_10000069_10000068_10000062_10000063_10099_10000156_10000158_10096_10000056_10000059_10000097_10000094_10000090_10000091_10000147_10000144_10084_10117_10000150_10083_10119_10000011_10080_10000153_10082_10081_10110_10111_10112_10113_10114_10000089_10000086_10000083_10000135_10000080_10078_10079_10077_10073_10000140_10070_10122_10123_10120_10121_10126_10124_10125_10065_10068_10000132_10000033_119_10000030_10000126_10000026_10000129_10000023_10000123_431_10060_10062_10056_10055_10054_301_10059_10000120_10000020_10000013_10000117_10103_10102_10000016_10000114_10000111_10052_10053_10050_10107_10051_10106_10000101_10000100_10000104_10000045_10000108_10000191_10000197_10037_10000179_10033_10000042_100003_10000039_100001_10000036_10000187-10120_100001_100003,searchweb201603_3,afswitch_1_afChannel,ppcSwitch_3,single_sort_1_price_asc&btsid=eb1f501d-c5ed-49a8-a8bf-3291a9d80ba2&algo_expid=cf8e507b-0e59-4516-a427-031df0f77a30-18&algo_pvid=cf8e507b-0e59-4516-a427-031df0f77a30 Вольтамперметр:https://ru.aliexpress.com/item/DC-0-100V-10A-Digital-Voltmeter-Ammeter-Dual-Display-Voltage-Detector-Current-Meter-Panel-Amp-Volt/32693996957.html?spm=2114.13010708.0.0.O7QN8B&aff_platform=link-c-tool&cpt=1487704905188&sk=uR7uBY3Rz&aff_trace_key=32f484be631947d4a90283c912f15356-1487704905188-01214-uR7uBY3Rz