https://devzone.nordicsemi.com/f/nordic-q-a/93414/write-long-characteristic-vs-write-characteristicHI What is the difference between the two BLE commands? From testing, I see that only the second works when I am writing to characteristic that is 1 byte long.en-USTelligent Community 13Mon, 31 Oct 2022 15:43:15 GMThttps://devzone.nordicsemi.com/thread/393305?ContentTypeID=1Mon, 31 Oct 2022 15:43:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6d63e74e-adff-423a-abdd-70ca059ce936Kenneth<p>The message sequence charts show the difference:</p> <p><a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v7.3.0/group___b_l_e___g_a_t_t_c___v_a_l_u_e___l_o_n_g___w_r_i_t_e___m_s_c.html">https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v7.3.0/group___b_l_e___g_a_t_t_c___v_a_l_u_e___l_o_n_g___w_r_i_t_e___m_s_c.html</a>&nbsp;</p> <p><a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.s132.api.v7.3.0%2Fgroup___b_l_e___g_a_t_t_c___v_a_l_u_e___w_r_i_t_e___m_s_c.html">https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.s132.api.v7.3.0%2Fgroup___b_l_e___g_a_t_t_c___v_a_l_u_e___w_r_i_t_e___m_s_c.html</a>&nbsp;</p><div style="clear:both;"></div>