What is the receiving frequency of infrared receiver sm3800?
38KHZ, the general models of infrared receiver include receiving frequency, such as Zhuhai Wanzhou Optoelectronic IRM38A, IRM 138S-2, IRM5538HL-26, W0038S-6, VIOS TSOP138TSOP165438. Sm3800 is the same as IRM38A of Zhuhai Wanzhou Optoelectronics.