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AP-D5830A 30A 800W Module d'alimentation de charge à tension constante à courant constant DC-DC Step-down avec refroidissement par ventilateur
39,97€ 52,60€

Q: Hi, It is the first time for my device. I put 36volt dc into the device but nothing. What's append? Output zero.

demandé par adelco sur 2021-11-02 07:07:12

johnkok did you try to short-circuit the two pins on the on-off connector?

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Module sans fil LILYGO® TTGO T-Call V1.3 V1.4 ESP32 avec antenne GPRS carte SIM SIM800L
25,92€ 35,69€

Q: Did anyone buy this and use it in Vietnam? if yes, which provider offers NB-IoT SIM cards? Thanks

demandé par Elkaybay sur 2021-10-02 02:44:30

johnkok just note that as far as I know the module does not support 3G-4G, only GPRS-GSM.

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EleksMaker® Mana 3 Axe Moteur Stepper Contrôleur Panneau du Plomb pour DIY du Laser Graveur
35,13€ 38,51€

Q: Does LA03-500 laser work with this?.

demandé par BG155733441 sur 2021-03-31 01:49:49

johnkok I am not sure. You need a TTL-PWM input to control the laser beam. LA03-500 it seems that does not have.

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