Sandeep Kumar
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Sandeep Kumar Howdid you measure the freq accuracy, you had even more accurate clock source?

BG451141725 19/01/2026
A brilliant addition to the test bench! Caution though: It states that power supply is 7VDC to 13VDC, however above about 10VDC the component U1 gets *very* hot! I ran my device at 7.5 volts. Warm-up time from cold was less than 300 seconds. 10MHz Frequency accuracy, measured straight after receipt appears to be around 0.03Hz (1 cycle every 30 seconds!) but is adjustable. I was unable to measure phase noise, so that will be future challenge. I did not check the TTL output (I don't intend to use that feature). The supplied short cable uses very thin conductors and I will replace it. Bottom line? Excellent !
OCXO-10MHz Frekans Referans Kaynağı Modülü Ses Decoder Frekansmetresi için Düşük Faz Gürültüsü
US$0.00
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Sandeep Kumar 23/03/2026
Blocks were good and flat, but there is a small dent on one of them.
Machifit 2 adet 1x2x3 İnç Blok 23 Delik Paralel Kilit Freze Aracı Hassasiyet 0.0001 İnç
US$20.99 US$29.99
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Sandeep Kumar 23/03/2026
single to differential amplifier came neatly packed in esd cover. yet to test it.
AD8138 5MHz-20MHz RF Diferansiyel Amplifikatör Modülü Gerilim Giriş Çıkış Dengeli Kart Tek-uçlu çift uçlu Dönüştürücü
US$11.80
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Sandeep Kumar 23/03/2026
Came neatly packed, need to test it yet.
Aktif SDR Döngü Anteni Amplifikatörü 100kHz-120MHz Düşük Gürültü Ayarlanabilir Kazanç Kısa Dalga Radyo için
US$0.00
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Sandeep Kumar 23/03/2026
Logamp came neatly packed in esd cover. yet to test it.
AD606 Log Amplifikatör Modülü Düşük Güç 80dB Demodülasyon Logaritmik Amplifikatör Dedektörü Ayarlanabilir Limiter Sonar Ultrasonik için
US$0.00
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Sandeep Kumar 23/03/2026
Works well, even though schematic help is not provided. We have to figure out pins through multimeter. Can be programmed by uart interface.
Fırçasız Motor Sürücü Kartı Çift Kanal ESP32 Basit FOC ESP32-WROOM-32E Modülü ile
US$0.00
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Sandeep Kumar 23/03/2026
Have tested it with a frequency generator upto 1GHz. works well. Came neatly packed in a plastic enclosure.
20Mhz-2.7Ghz H1 Frekans Sayacı OLED Ekran Modülü RF Dijital Sinyal Frekans Ölçer Yüksek Hassasiyetli Ölçüm HAM Amplifikatörler
US$0.00
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Fırçasız Motor Sürücü Kartı Çift Kanal ESP32 Basit FOC ESP32-WROOM-32E Modülü ile
US$0.00

Q: Where can i get the schematic for this board ?

Soran Sandeep Kumar Açık 2026-03-17 12:11:12

Bansil no schematic support

2026-03-19 03:00:50 Yararlı (0)
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Sandeep Kumar canwe control the board from arduino or esp32 after updating the firmware ?

BG483950210 09/02/2026
You have to update the firmware to the MakerBase firmware for things to work. Hall sensors work perfectly, all other functions were okay. I cannot get SPI encoders to work at all. I’m trying my best
ODrive V3.6 FOC-BLDC Motor Kontrolcüsü Çift Motor 56V 60A Yüksek Performans ARM Cortex M4 Kodlayıcı CAN PWM Uyumlu
US$0.00
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Sandeep Kumar Canyou show pictures of what is provided with the unit ?

BG844817914 11/01/2026
I really like it,ideal for RF measuraments,with a large display,and excellent performance in the field and laboraty.
TinySA ULTRA Plus ZS406 Taşınabilir Spektrum Analizörü 900MHz-5.4GHz 20dB LNA Modülü 3.98 inç IPS-TFT LCD 5000mAh Pil Taşınabilir Analizör
US$0.00
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Sandeep Kumar 08/02/2026
The dial indicator arrived quickly and packed neatly. It was quite small and useful with the pivot needle that has a ruby tip.
DANIU 40112302 Hassas ölçülerde Dovetail rayları ile kadran test göstergesi
US$19.99 US$24.99
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Sandeep Kumar 08/02/2026
The lcr meter arrived quickly and was neatly packed. The readings were quite accurate, though the inductance readings can not go below 0.1 micro henries. worth buying it.
FNIRSI LC1020E Taşınabilir LCR Köprü Test Cihazı 100Hz'den 100kHz'e Hassas Frekans Otomatik Kalibrasyon Çift Parametre Ekranı USB Tip-C Doğru Kapasitans Direnç Endüktans Ölçüm Aracı
US$0.00
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HABOTEST HT208A / HT208D 1000V 1000A Dijital Multimetre Profesyonel Amperometrik Klemp Metre AC DC True RMS Kapasitans Elektrikçi Onarımı Aletler
US$43.99 US$50.99

Q: What is the minimum dc current it can measure with clamp?

Soran Sandeep Kumar Açık 2021-12-31 02:18:31

Jakob a few hundred mA.. Its a high current clamp.. that useally results in a hit in the lower ballpark... often prefered to have two AC&DC clamps.. one for low current like 210E and one for high current.

2022-09-11 07:07:46 Yararlı (2)
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Sandeep Kumar 22/01/2022
The characteristic impedance is not a 50 ohm and the insertion loss is >50db, i have tested it on both ways, changing input and output ports. pass band is flat. The seller has to correct the specs or provide a datasheet. Here is my results with nanovna
Bandgeçiren Filtre BPF 2.45G 433M/1575M/900M/1090M Anti-jamming Gürültü Azaltma LC Filtreleme SAW Filtresi
US$0.00
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Sandeep Kumar 09/01/2022
the input protection diode is actually a capacitor, had to remove it and then it behaved as a balun. soldering was not good.
160m-6m Amatör Frekans Bantları için SMA-F Alıcı Mini 1:9 Anten HF Balun G10-003 SGA998
US$3.99 US$13.99
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Sandeep Kumar 12/03/2022
Good working, one of the smd inductor was broken in transit, luckily i had a spare and soldered it.
RX5808 5.8 Ghz 48CH FPV Alıcı ile 480 * 320 5 İnç Ekran Kar Ekranı DIY FPV Monitör
US$30.90 US$40.79
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